SureFire SF18350 Micro USB Lithium-Ion Rechargeable Battery Charge. Win. Repeat. The SureFire SF18350 is a lithium-ion protected 18350 rechargeable battery engineered for reliability and convenience. Featuring a built-in MICRO-USB charging port, this battery eliminates the need for a separate charging cradle, allowing you to power up using any standard USB source including wall chargers, computers, laptops, power banks, or automotive USB ports. The included MICRO-USB to USB cable makes charging simple no matter where you are. With a robust 1,100 mAh capacity and an 8-10A discharge rate, the SF18350 delivers consistent, high-performance power for demanding, high-drain devices such as LED flashlights. Two onboard LED indicators keep you informed of charge status at a glance: red for charging and green for fully charged. Note: The SF18350 is compatible with SureFire Dual Fuel, single 123A-powered products. It is not compatible with non-Dual Fuel, single 123A-powered products. Product Highlights Built-In MICRO-USB Charging Port: Charge via any USB power source without the need for a separate cradle, using the included MICRO-USB to USB cable. Dual LED Charge Indicators: Red light signals charging in progress; green light confirms a full charge for at-a-glance battery management. High Capacity at 1,100 mAh: Delivers extended runtime to keep your critical gear powered longer in demanding situations. 8-10A High-Drain Discharge Rate: Engineered for dependable performance in high-drain devices such as tactical LED flashlights. Protected 18350 Design: Built-in overcharge and over-discharge protection circuits safeguard battery longevity and safety during every use. Specs Brand: SureFire MPN: SURSF18350 UPC: 084871330039 Type: Protected 18350 Voltage: 3.7V Chemistry: Lithium-ion Rated Capacity: 1.1Ah (1,100 mAh) Energy: 4.07Wh Discharge Rate: 10A Charge End Voltage: 4.2V Discharge End Voltage: 2.5V Standard Charge Rate: 500mA (USB), External 1A/1C Charge Time from Empty (USB): 3 hours Dimensions: 39.8 +/-0.3 mm x 18.6 +/-0.3 mm Weight: 0.95 oz (27 g) Lithium Content: 0.33 g Operating Temp Range (Charging): 0-45 degrees C Operating Temp Range (Discharging 0.2C): -10 to 65 degrees C Operating Temp Range (Discharging 1C): -10 to 65 degrees C Storage Temp Range: 23 +/-5 degrees C Recommended Certification: UN38.3 Power Source: Micro USB Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.